You know, I think that same seg fault bites when trying to use "ab" with large numbers. Not really helpful I know but I think it's fine on FC5. On Tue, 2006-05-02 at 11:24 +0200, Eder, Norbert wrote: > > > Hello all, > > When I use Fedora Core 3 to open multiple TCP Connection to a > SUN-Solaris Maschine, I can open arround 15000 connections in > parallel. > I have checked it with: > netstat -s |grep connections > 29976 active connections openings > 14929 connections established > > > But when I upgrade to FC4, then only around 11000 TCP connections are > possible at the same time. > The Error Report is "Segmentation fault". > > > Is there a Parameter for limitation?? ("ulimit" / > "/proc/sys/...." / ... ) > > Can anybody help me?? >